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A TRACKING BANDPASS FILTER FOR THE REJECTION OF POWER SYSTEM DISTURBANCES
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| Author(s) |
Jane Jaques; F. P. Dawson; R. Bonert |
| Abstract |
This paper presents a bandpass filter topology suitable for tracking the fundamental frequency component of a monitored AC waveform with no phase shift between the input and output. Online dynamic phase angle information is preserved in the process. The filter is capable of rejecting severe disturbances, yet tracking langer term frequency changes. The following filters are considered: adaptive biquadratic notch filter, adaptive biquadratic bandpass filter, combined adaptive bandpass filter of arbitrary order with a phase locked loop. The latter approach is taken in that it provides the greatest amount of flexibility. Results are verified experimentally with the use of an adaptive switched capacitor bandpass filter. |
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| Filename: | Unnamed file |
| Filesize: | 3.798 MB |
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| Type |
Members Only |
| Date |
Last modified 2019-05-16 by System |
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